Luminescent properties of a novel reddish-orange phosphor Eu-activated KLaSiO4

• Autorzy: Feng Guo , Jiang Wei-Hui , Liu Jian-Min

Identyfikatory

DOI

10.2478/msp-2019-0016

• Języki publikacji: EN

Abstrakty

EN

A novel reddish-orange emitting phosphor Eu-activated KLaSiO₄ was synthesized by the conventional solid-state reaction at 1200 °C. The luminescence properties of KLaSiO₄:Eu phosphor were investigated, and the critical concentration of the activator ion (Eu³⁺) was established as 0.02 mol per formula unit. Chromaticity coordinates of a typical KLa_0.98SiO₄:0.02Eu phosphor were x = 0.614 and y = 0.385. The phosphor exhibited reddish-orange luminescence with dominating emission at 612 nm, corresponding to ⁵D₀ → ⁷F₂ of Eu³⁺. Furthermore, the phosphor was characterized by excellent thermal stability, implying its potential use in white light emitting diodes.

Słowa kluczowe

EN

potassium lanthanum silicate; luminescence; reddish-orange phosphors; Eu3+

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2019
• Tom: Vol. 37, No. 2
• Strony: 296--300
• Opis fizyczny: Bibliogr. 17 poz., rys.

Twórcy

autor

Feng Guo

• Department of Material Science and Engineering, Jingdezhen Ceramic Institution, Jingdezhen 333001, China

autor

Jiang Wei-Hui

• Department of Material Science and Engineering, Jingdezhen Ceramic Institution, Jingdezhen 333001, China

autor

Liu Jian-Min

• Department of Material Science and Engineering, Jingdezhen Ceramic Institution, Jingdezhen 333001, China

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